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dont know the 820 code..
27" 2011
machine of a strong smoker...
image is present - only backlight is missing. backlight turns on for 1 second on boot, then shuts off..
Hey,
any idea for this problem?
iMac 27" 2011 Backlight not working.
Graphics good, iMac boots, externally fully functional.
The backlight turn on for 1 second when i press the power button - then shuts off.
LED driver board is replaced. Same problem.
Any ideas?
Hey guys,
got a strange iMac here. From 2017.
No image/video.
When LCD is connected, all 4 LEDs are going on. LCD disconnected - 3 LEDs are on.
iMac chimes, Backlight is turning on, fan is spinning.
LCD fuse is ok.
Heating up GPU? RAM? Whats going on with this machine?
Hey guys,
got a strange board here.
MacBook dropped on floor / no liquid damage. Thought it was a bad lcd.
chimes/boots/works externally.
replaced LCD screen - no difference.
pram reset/dfu - nothing.
where to start?